mysql赋权限

1、为在mysql创建test1账号，并赋予10.96.90.78，只读amp库中alert_info_tab表的权限

grant select on   amp.alert_info_tab to test1@10.96.90.78 identified by "123456";

2、取消10.96.90.78，只读amp库中alert_info_tab表的权限

REVOKE   SELECT   ON  amp.alert_info_tab    FROM   test1@10.96.90.78;

3、显示10.96.90.78 ，使用test1账号有什么权限

show grants for test1@10.96.90.78 ;